SN55110A, SN75110A, SN75112

DUAL LINE DRIVERS

SLLS106G − DECEMBER 1975 − REVISED NOVEMBER 2004

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

Input A or B

Pulse

Generator

(See Note B)

Pulse

Generator

(See Note B)

Input A or B

Enable C or D

3 V

0 V

3 V

0 V

TEST CIRCUIT

Off

On

tPLH

tPHL

tPHL

tPLH

tPHL

On

Off

Output Y

Output Z

VOLTAGE WAVEFORMS

890

Ω

Output Y

Output Z

RL = 50 Ω

890

Ω

VCC+

VCC−

To Other Driver

50

Ω

See Note C

RL = 50 Ω

50

Ω

Input C or D

CL = 40 pF

(see Note A)

CL = 40 pF

(see Note A)

NOTES: A. CL includes probe and jig capacitance.

B. The pulse generators have the following characteristics: ZO = 50 Ω, tr = tf = 10 ± 5 ns, tw1 = 500 ns, PRR ≤ 1 MHz, tw2 = 1 µs,

PRR

≤ 500 kHz.

C. For simplicity, only one channel and the enable connections are shown.

tw1

tw2

tPLH

50%

50%

50%

50%

50%

50%

50%

50%

50%

50%

Figure 1. Test Circuit and Voltage Waveforms